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How to quickly determine the depth of a multidimensional array in PHP? _PHP Tutorial

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Release: 2016-07-13 10:42:15
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For example, there is a multidimensional array:


array(
        array(
            array(1,3,4),
            array(
                array(
                    1,2,3
                )
            )
        ),
        array(
            array(1,2),
            array(1)
        )
    )
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The depth of this array is 5, so how to quickly determine the depth of an array.


(PS: T is good PHP Q buckle: 276167802, verification: csl)


In fact, just the above answers should be sorted. Below Qingyuan shares a simple depth calculation function:


<?php
function array_depth($array) {
        $max_depth = 1;


        foreach ($array as $value) {
            if (is_array($value)) {
                $depth = array_depth($value) + 1;
  

                if ($depth > $max_depth) {
                    $max_depth = $depth;
                }
            }
        }        
        return $max_depth;
 }

$array = array( array("11"), array(),array( array(array("5", "6"), "7", "8")),array( array(array("5", "6"), "7", "8")), "9", "10");
echo array_depth($array);
?>
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I hope this article will be helpful to the majority of PHP developers, thank you for reading this article.

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/664287.htmlTechArticleFor example, there is a multi-dimensional array: array( array( array(1,3,4), array( array( 1 ,2,3 ) ) ), array( array(1,2), array(1) ) ) The depth of this array is 5, so how to quickly determine a number...
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